Scroogle and Tor

[Robert Ransom]

On Mon, 14 Feb 2011 20:19:50 -0800
Mike Perry <mikeperry at fscked.org> wrote:

> 2. Storing identifiers in the cache
> 
> http://crypto.stanford.edu/sameorigin/safecachetest.html has some PoC
> of this. Torbutton protects against long-term cache identifiers, but
> for performance reasons the memory cache is enabled by default, so you
> could use this to differentiate crawlers who do not properly obey all
> brower caching sematics. Caching is actually pretty darn hard to get
> right, so there's probably quite a bit more room here than just plain
> identifiers.

Polipo monkey-wrenches Torbutton's protection against long-term cache
identifiers.


Robert Ransom
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